TY  - BOOK
AU  - Daly,Herman E.
AU  - Townsend,Kenneth N.
TI  - Valuing the earth: economics, ecology, ethics 
SN  - 9780262041331
AV  - HD75.6 .V36 1993
PY  - 1993///
CY  - London
PB  - MIT Press
KW  - Economic development
KW  - Environmental aspects
KW  - Environmental ethics
ER  -